<?php

if (!defined('BASEPATH'))
    exit('No direct script access allowed');
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP 5.1.6 or newer
 *
 * @package		CodeIgniter
 * @author		ExpressionEngine Dev Team
 * @copyright	Copyright (c) 2008 - 2014, EllisLab, Inc.
 * @license		http://codeigniter.com/user_guide/license.html
 * @link		http://codeigniter.com
 * @since		Version 1.0
 * @filesource
 */
// ------------------------------------------------------------------------

/**
 * CodeIgniter Directory Helpers
 *
 * @package		CodeIgniter
 * @subpackage	Helpers
 * @category	Helpers
 * @author		ExpressionEngine Dev Team
 * @link		http://codeigniter.com/user_guide/helpers/directory_helper.html
 */
// ------------------------------------------------------------------------

/**
 * Create a Directory Map
 *
 * Reads the specified directory and builds an array
 * representation of it.  Sub-folders contained with the
 * directory will be mapped as well.
 *
 * @access	public
 * @param	string	path to source
 * @param	int		depth of directories to traverse (0 = fully recursive, 1 = current dir, etc)
 * @return	array
 */
if (!function_exists('directory_map')) {

    function directory_map($source_dir, $directory_depth = 0, $hidden = FALSE) {
        if ($fp = @opendir($source_dir)) {
            $filedata = array();
            $new_depth = $directory_depth - 1;
            $source_dir = rtrim($source_dir, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR;

            while (FALSE !== ($file = readdir($fp))) {
                // Remove '.', '..', and hidden files [optional]
                if (!trim($file, '.') OR ($hidden == FALSE && $file[0] == '.')) {
                    continue;
                }

                if (($directory_depth < 1 OR $new_depth > 0) && @is_dir($source_dir . $file)) {
                    $filedata[$file] = directory_map($source_dir . $file . DIRECTORY_SEPARATOR, $new_depth, $hidden);
                } else {
                    $filedata[] = $file;
                }
            }

            closedir($fp);
            return $filedata;
        }

        return FALSE;
    }

}


/* End of file directory_helper.php */
/* Location: ./system/helpers/directory_helper.php */